．To his great excitement, the day he looked forward to _______ at last!

Mark Twain it famous ______ a writer ______ writing short stories.[ ]

It took the firemen six hours to________ the fire.

I think saving water is more important than recycling paper in our daily life.— I disagree. Recycling paper is saving water.

My father bought some books _____ gifts _____ my cousin. [ ]